 /*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package servlets;

import java.io.IOException;  
import java.util.Collection;  
import java.util.HashSet;
import javax.ejb.EJB;  
import javax.servlet.RequestDispatcher;  
import javax.servlet.ServletException;  
import javax.servlet.annotation.WebServlet;  
import javax.servlet.http.HttpServlet;  
import javax.servlet.http.HttpServletRequest;  
import javax.servlet.http.HttpServletResponse;  
import javax.servlet.http.HttpSession;
import gestionnaires.GestionnaireGenres;  
import javax.servlet.SessionCookieConfig;
import modeles.Genre; 

/**
 *
 * @author Julien Bellaiche
 * @author Romain Louveau
 */
@WebServlet(name = "ServletGenres", urlPatterns = {"/ServletGenres"})
public class ServletGenres extends HttpServlet {
    // ici injection de code ! On n'initialise pas !  
    @EJB
    private GestionnaireGenres gestionnaireGenres;

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)  
            throws ServletException, IOException {  
        // Pratique pour décider de l'action à faire  
        String action = request.getParameter("action");
        String forwardTo = "";  
        String message = "";  
        
        
        if (action != null) {
            if(action.equals("creerUnGenre")){
                 String nomGenre = request.getParameter("nom_genre");
                    if((nomGenre.isEmpty())){
                    request.setAttribute("txt_court", "Texte trop court! Veuillez indiquer le genre &agrave; ajouter !");
                  }
                  else {
                        gestionnaireGenres.creeGenre(nomGenre);
                  }

              }else if (action.equals("creerUnGenreForm")) {
                forwardTo = "index.jsp?action=creerUnGenreForm";
                //session.setAttribute("kiki", "disque");
                message = "enattente";
                
            } 
          }
               
  
        RequestDispatcher dp = request.getRequestDispatcher(forwardTo + "&message=" + message);
        //RequestDispatcher dp = request.getRequestDispatcher("index.jsp");
        dp.forward(request, response);  
        // Après un forward, plus rien ne peut être exécuté après !  
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
